compiler/prelude: Bug fix: specifying out of range index must panic#775
Merged
hajimehoshi merged 5 commits intogopherjs:masterfrom Mar 15, 2018
Merged
compiler/prelude: Bug fix: specifying out of range index must panic#775hajimehoshi merged 5 commits intogopherjs:masterfrom
hajimehoshi merged 5 commits intogopherjs:masterfrom
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Hmm, so this is not automated yet? |
Member
Author
|
Done |
Member
Author
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Oops, I did minifying with a wrong text? |
dmitshur
requested changes
Mar 14, 2018
compiler/prelude/prelude.go
Outdated
| // Minified is Prelude ran through UglifyJS 3 via https://skalman.github.io/UglifyJS-online/ | ||
| // with default options. | ||
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$copyArray=function(dst,src,dstOffset,srcOffset,n,elem){if(n===0||dst===src&&dstOffset===srcOffset){return}if(src.subarray){dst.set(src.subarray(srcOffset,srcOffset+n),dstOffset);return}switch(elem.kind){case $kindArray:case $kindStruct:if(dst===src&&dstOffset>srcOffset){for(var i=n-1;i>=0;i--){elem.copy(dst[dstOffset+i],src[srcOffset+i])}return}for(var i=0;i<n;i++){elem.copy(dst[dstOffset+i],src[srcOffset+i])}return}if(dst===src&&dstOffset>srcOffset){for(var i=n-1;i>=0;i--){dst[dstOffset+i]=src[srcOffset+i]}return}for(var i=0;i<n;i++){dst[dstOffset+i]=src[srcOffset+i]}};var $clone=function(src,type){var clone=type.zero();type.copy(clone,src);return clone};var $pointerOfStructConversion=function(obj,type){if(obj.$proxies===undefined){obj.$proxies={};obj.$proxies[obj.constructor.string]=obj}var proxy=obj.$proxies[type.string];if(proxy===undefined){var properties={};for(var i=0;i<type.elem.fields.length;i++){(function(fieldProp){properties[fieldProp]={get:function(){return obj[fieldProp]},set:function(value){obj[fieldProp]=value}}})(type.elem.fields[i].prop)}proxy=Object.create(type.prototype,properties);proxy.$val=proxy;obj.$proxies[type.string]=proxy;proxy.$proxies=obj.$proxies}return proxy};var $append=function(slice){return $internalAppend(slice,arguments,1,arguments.length-1)};var $appendSlice=function(slice,toAppend){if(toAppend.constructor===String){var bytes=$stringToBytes(toAppend);return $internalAppend(slice,bytes,0,bytes.length)}return $internalAppend(slice,toAppend.$array,toAppend.$offset,toAppend.$length)};var $internalAppend=function(slice,array,offset,length){if(length===0){return slice}var newArray=slice.$array;var newOffset=slice.$offset;var newLength=slice.$length+length;var newCapacity=slice.$capacity;if(newLength>newCapacity){newOffset=0;newCapacity=Math.max(newLength,slice.$capacity<1024?slice.$capacity*2:Math.floor(slice.$capacity*5/4));if(slice.$array.constructor===Array){newArray=slice.$array.slice(slice.$offset,slice.$offset+slice.$length);newArray.length=newCapacity;var zero=slice.constructor.elem.zero;for(var i=slice.$length;i<newCapacity;i++){newArray[i]=zero()}}else{newArray=new slice.$array.constructor(newCapacity);newArray.set(slice.$array.subarray(slice.$offset,slice.$offset+slice.$length))}}$copyArray(newArray,array,newOffset+slice.$length,offset,length,slice.constructor.elem);var newSlice=new slice.constructor(newArray);newSlice.$offset=newOffset;newSlice.$length=newLength;newSlice.$capacity=newCapacity;return newSlice};var $equal=function(a,b,type){if(type===$jsObjectPtr){return a===b}switch(type.kind){case $kindComplex64:case $kindComplex128:return a.$real===b.$real&&a.$imag===b.$imag;case $kindInt64:case $kindUint64:return a.$high===b.$high&&a.$low===b.$low;case $kindArray:if(a.length!==b.length){return false}for(var i=0;i<a.length;i++){if(!$equal(a[i],b[i],type.elem)){return false}}return true;case $kindStruct:for(var i=0;i<type.fields.length;i++){var f=type.fields[i];if(!$equal(a[f.prop],b[f.prop],f.typ)){return false}}return true;case $kindInterface:return $interfaceIsEqual(a,b);default:return a===b}};var $interfaceIsEqual=function(a,b){if(a===$ifaceNil||b===$ifaceNil){return a===b}if(a.constructor!==b.constructor){return false}if(a.constructor===$jsObjectPtr){return a.object===b.object}if(!a.constructor.comparable){$throwRuntimeError("comparing uncomparable type "+a.constructor.string)}return $equal(a.$val,b.$val,a.constructor)};var $min=Math.min;var $mod=function(x,y){return x%y};var $parseInt=parseInt;var $parseFloat=function(f){if(f!==undefined&&f!==null&&f.constructor===Number){return f}return parseFloat(f)};var $froundBuf=new Float32Array(1);var $fround=Math.fround||function(f){$froundBuf[0]=f;return $froundBuf[0]};var $imul=Math.imul||function(a,b){var ah=a>>>16&65535;var al=a&65535;var bh=b>>>16&65535;var bl=b&65535;return al*bl+(ah*bl+al*bh<<16>>>0)>>0};var $floatKey=function(f){if(f!==f){$idCounter++;return"NaN$"+$idCounter}return String(f)};var $flatten64=function(x){return x.$high*4294967296+x.$low};var $shiftLeft64=function(x,y){if(y===0){return x}if(y<32){return new x.constructor(x.$high<<y|x.$low>>>32-y,x.$low<<y>>>0)}if(y<64){return new x.constructor(x.$low<<y-32,0)}return new x.constructor(0,0)};var $shiftRightInt64=function(x,y){if(y===0){return x}if(y<32){return new x.constructor(x.$high>>y,(x.$low>>>y|x.$high<<32-y)>>>0)}if(y<64){return new x.constructor(x.$high>>31,x.$high>>y-32>>>0)}if(x.$high<0){return new x.constructor(-1,4294967295)}return new x.constructor(0,0)};var $shiftRightUint64=function(x,y){if(y===0){return x}if(y<32){return new x.constructor(x.$high>>>y,(x.$low>>>y|x.$high<<32-y)>>>0)}if(y<64){return new x.constructor(0,x.$high>>>y-32)}return new x.constructor(0,0)};var $mul64=function(x,y){var high=0,low=0;if((y.$low&1)!==0){high=x.$high;low=x.$low}for(var i=1;i<32;i++){if((y.$low&1<<i)!==0){high+=x.$high<<i|x.$low>>>32-i;low+=x.$low<<i>>>0}}for(var i=0;i<32;i++){if((y.$high&1<<i)!==0){high+=x.$low<<i}}return new x.constructor(high,low)};var $div64=function(x,y,returnRemainder){if(y.$high===0&&y.$low===0){$throwRuntimeError("integer divide by zero")}var s=1;var rs=1;var xHigh=x.$high;var xLow=x.$low;if(xHigh<0){s=-1;rs=-1;xHigh=-xHigh;if(xLow!==0){xHigh--;xLow=4294967296-xLow}}var yHigh=y.$high;var yLow=y.$low;if(y.$high<0){s*=-1;yHigh=-yHigh;if(yLow!==0){yHigh--;yLow=4294967296-yLow}}var high=0,low=0,n=0;while(yHigh<2147483648&&(xHigh>yHigh||xHigh===yHigh&&xLow>yLow)){yHigh=(yHigh<<1|yLow>>>31)>>>0;yLow=yLow<<1>>>0;n++}for(var i=0;i<=n;i++){high=high<<1|low>>>31;low=low<<1>>>0;if(xHigh>yHigh||xHigh===yHigh&&xLow>=yLow){xHigh=xHigh-yHigh;xLow=xLow-yLow;if(xLow<0){xHigh--;xLow+=4294967296}low++;if(low===4294967296){high++;low=0}}yLow=(yLow>>>1|yHigh<<32-1)>>>0;yHigh=yHigh>>>1}if(returnRemainder){return new x.constructor(xHigh*rs,xLow*rs)}return new x.constructor(high*s,low*s)};var $divComplex=function(n,d){var ninf=n.$real===Infinity||n.$real===-Infinity||n.$imag===Infinity||n.$imag===-Infinity;var dinf=d.$real===Infinity||d.$real===-Infinity||d.$imag===Infinity||d.$imag===-Infinity;var nnan=!ninf&&(n.$real!==n.$real||n.$imag!==n.$imag);var dnan=!dinf&&(d.$real!==d.$real||d.$imag!==d.$imag);if(nnan||dnan){return new n.constructor(NaN,NaN)}if(ninf&&!dinf){return new n.constructor(Infinity,Infinity)}if(!ninf&&dinf){return new n.constructor(0,0)}if(d.$real===0&&d.$imag===0){if(n.$real===0&&n.$imag===0){return new n.constructor(NaN,NaN)}return new n.constructor(Infinity,Infinity)}var a=Math.abs(d.$real);var b=Math.abs(d.$imag);if(a<=b){var ratio=d.$real/d.$imag;var denom=d.$real*ratio+d.$imag;return new n.constructor((n.$real*ratio+n.$imag)/denom,(n.$imag*ratio-n.$real)/denom)}var ratio=d.$imag/d.$real;var denom=d.$imag*ratio+d.$real;return new n.constructor((n.$imag*ratio+n.$real)/denom,(n.$imag-n.$real*ratio)/denom)};var $kindBool=1;var $kindInt=2;var $kindInt8=3;var $kindInt16=4;var $kindInt32=5;var $kindInt64=6;var $kindUint=7;var $kindUint8=8;var $kindUint16=9;var $kindUint32=10;var $kindUint64=11;var $kindUintptr=12;var $kindFloat32=13;var $kindFloat64=14;var $kindComplex64=15;var $kindComplex128=16;var $kindArray=17;var $kindChan=18;var $kindFunc=19;var $kindInterface=20;var $kindMap=21;var $kindPtr=22;var $kindSlice=23;var $kindString=24;var $kindStruct=25;var $kindUnsafePointer=26;var $methodSynthesizers=[];var $addMethodSynthesizer=function(f){if($methodSynthesizers===null){f();return}$methodSynthesizers.push(f)};var $synthesizeMethods=function(){$methodSynthesizers.forEach(function(f){f()});$methodSynthesizers=null};var $ifaceKeyFor=function(x){if(x===$ifaceNil){return"nil"}var c=x.constructor;return c.string+"$"+c.keyFor(x.$val)};var $identity=function(x){return x};var $typeIDCounter=0;var $idKey=function(x){if(x.$id===undefined){$idCounter++;x.$id=$idCounter}return String(x.$id)};var $newType=function(size,kind,string,named,pkg,exported,constructor){var typ;switch(kind){case $kindBool:case $kindInt:case $kindInt8:case $kindInt16:case $kindInt32:case $kindUint:case $kindUint8:case $kindUint16:case $kindUint32:case $kindUintptr:case $kindUnsafePointer:typ=function(v){this.$val=v};typ.wrapped=true;typ.keyFor=$identity;break;case $kindString:typ=function(v){this.$val=v};typ.wrapped=true;typ.keyFor=function(x){return"$"+x};break;case $kindFloat32:case $kindFloat64:typ=function(v){this.$val=v};typ.wrapped=true;typ.keyFor=function(x){return $floatKey(x)};break;case $kindInt64:typ=function(high,low){this.$high=high+Math.floor(Math.ceil(low)/4294967296)>>0;this.$low=low>>>0;this.$val=this};typ.keyFor=function(x){return x.$high+"$"+x.$low};break;case $kindUint64:typ=function(high,low){this.$high=high+Math.floor(Math.ceil(low)/4294967296)>>>0;this.$low=low>>>0;this.$val=this};typ.keyFor=function(x){return x.$high+"$"+x.$low};break;case $kindComplex64:typ=function(real,imag){this.$real=$fround(real);this.$imag=$fround(imag);this.$val=this};typ.keyFor=function(x){return x.$real+"$"+x.$imag};break;case $kindComplex128:typ=function(real,imag){this.$real=real;this.$imag=imag;this.$val=this};typ.keyFor=function(x){return x.$real+"$"+x.$imag};break;case $kindArray:typ=function(v){this.$val=v};typ.wrapped=true;typ.ptr=$newType(4,$kindPtr,"*"+string,false,"",false,function(array){this.$get=function(){return array};this.$set=function(v){typ.copy(this,v)};this.$val=array});typ.init=function(elem,len){typ.elem=elem;typ.len=len;typ.comparable=elem.comparable;typ.keyFor=function(x){return Array.prototype.join.call($mapArray(x,function(e){return String(elem.keyFor(e)).replace(/\\/g,"\\\\").replace(/\$/g,"\\$")}),"$")};typ.copy=function(dst,src){$copyArray(dst,src,0,0,src.length,elem)};typ.ptr.init(typ);Object.defineProperty(typ.ptr.nil,"nilCheck",{get:$throwNilPointerError})};break;case $kindChan:typ=function(v){this.$val=v};typ.wrapped=true;typ.keyFor=$idKey;typ.init=function(elem,sendOnly,recvOnly){typ.elem=elem;typ.sendOnly=sendOnly;typ.recvOnly=recvOnly};break;case $kindFunc:typ=function(v){this.$val=v};typ.wrapped=true;typ.init=function(params,results,variadic){typ.params=params;typ.results=results;typ.variadic=variadic;typ.comparable=false};break;case $kindInterface:typ={implementedBy:{},missingMethodFor:{}};typ.keyFor=$ifaceKeyFor;typ.init=function(methods){typ.methods=methods;methods.forEach(function(m){$ifaceNil[m.prop]=$throwNilPointerError})};break;case $kindMap:typ=function(v){this.$val=v};typ.wrapped=true;typ.init=function(key,elem){typ.key=key;typ.elem=elem;typ.comparable=false};break;case $kindPtr:typ=constructor||function(getter,setter,target){this.$get=getter;this.$set=setter;this.$target=target;this.$val=this};typ.keyFor=$idKey;typ.init=function(elem){typ.elem=elem;typ.wrapped=elem.kind===$kindArray;typ.nil=new typ($throwNilPointerError,$throwNilPointerError)};break;case $kindSlice:typ=function(array){if(array.constructor!==typ.nativeArray){array=new typ.nativeArray(array)}this.$array=array;this.$offset=0;this.$length=array.length;this.$capacity=array.length;this.$val=this};typ.init=function(elem){typ.elem=elem;typ.comparable=false;typ.nativeArray=$nativeArray(elem.kind);typ.nil=new typ([])};break;case $kindStruct:typ=function(v){this.$val=v};typ.wrapped=true;typ.ptr=$newType(4,$kindPtr,"*"+string,false,pkg,exported,constructor);typ.ptr.elem=typ;typ.ptr.prototype.$get=function(){return this};typ.ptr.prototype.$set=function(v){typ.copy(this,v)};typ.init=function(pkgPath,fields){typ.pkgPath=pkgPath;typ.fields=fields;fields.forEach(function(f){if(!f.typ.comparable){typ.comparable=false}});typ.keyFor=function(x){var val=x.$val;return $mapArray(fields,function(f){return String(f.typ.keyFor(val[f.prop])).replace(/\\/g,"\\\\").replace(/\$/g,"\\$")}).join("$")};typ.copy=function(dst,src){for(var i=0;i<fields.length;i++){var f=fields[i];switch(f.typ.kind){case $kindArray:case $kindStruct:f.typ.copy(dst[f.prop],src[f.prop]);continue;default:dst[f.prop]=src[f.prop];continue}}};var properties={};fields.forEach(function(f){properties[f.prop]={get:$throwNilPointerError,set:$throwNilPointerError}});typ.ptr.nil=Object.create(constructor.prototype,properties);typ.ptr.nil.$val=typ.ptr.nil;$addMethodSynthesizer(function(){var synthesizeMethod=function(target,m,f){if(target.prototype[m.prop]!==undefined){return}target.prototype[m.prop]=function(){var v=this.$val[f.prop];if(f.typ===$jsObjectPtr){v=new $jsObjectPtr(v)}if(v.$val===undefined){v=new f.typ(v)}return v[m.prop].apply(v,arguments)}};fields.forEach(function(f){if(f.anonymous){$methodSet(f.typ).forEach(function(m){synthesizeMethod(typ,m,f);synthesizeMethod(typ.ptr,m,f)});$methodSet($ptrType(f.typ)).forEach(function(m){synthesizeMethod(typ.ptr,m,f)})}})})};break;default:$panic(new $String("invalid kind: "+kind))}switch(kind){case $kindBool:case $kindMap:typ.zero=function(){return false};break;case $kindInt:case $kindInt8:case $kindInt16:case $kindInt32:case $kindUint:case $kindUint8:case $kindUint16:case $kindUint32:case $kindUintptr:case $kindUnsafePointer:case $kindFloat32:case $kindFloat64:typ.zero=function(){return 0};break;case $kindString:typ.zero=function(){return""};break;case $kindInt64:case $kindUint64:case $kindComplex64:case $kindComplex128:var zero=new typ(0,0);typ.zero=function(){return zero};break;case $kindPtr:case $kindSlice:typ.zero=function(){return typ.nil};break;case $kindChan:typ.zero=function(){return $chanNil};break;case $kindFunc:typ.zero=function(){return $throwNilPointerError};break;case $kindInterface:typ.zero=function(){return $ifaceNil};break;case $kindArray:typ.zero=function(){var arrayClass=$nativeArray(typ.elem.kind);if(arrayClass!==Array){return new arrayClass(typ.len)}var array=new Array(typ.len);for(var i=0;i<typ.len;i++){array[i]=typ.elem.zero()}return array};break;case $kindStruct:typ.zero=function(){return new typ.ptr};break;default:$panic(new $String("invalid kind: "+kind))}typ.id=$typeIDCounter;$typeIDCounter++;typ.size=size;typ.kind=kind;typ.string=string;typ.named=named;typ.pkg=pkg;typ.exported=exported;typ.methods=[];typ.methodSetCache=null;typ.comparable=true;return typ};var $methodSet=function(typ){if(typ.methodSetCache!==null){return typ.methodSetCache}var base={};var isPtr=typ.kind===$kindPtr;if(isPtr&&typ.elem.kind===$kindInterface){typ.methodSetCache=[];return[]}var current=[{typ:isPtr?typ.elem:typ,indirect:isPtr}];var seen={};while(current.length>0){var next=[];var mset=[];current.forEach(function(e){if(seen[e.typ.string]){return}seen[e.typ.string]=true;if(e.typ.named){mset=mset.concat(e.typ.methods);if(e.indirect){mset=mset.concat($ptrType(e.typ).methods)}}switch(e.typ.kind){case $kindStruct:e.typ.fields.forEach(function(f){if(f.anonymous){var fTyp=f.typ;var fIsPtr=fTyp.kind===$kindPtr;next.push({typ:fIsPtr?fTyp.elem:fTyp,indirect:e.indirect||fIsPtr})}});break;case $kindInterface:mset=mset.concat(e.typ.methods);break}});mset.forEach(function(m){if(base[m.name]===undefined){base[m.name]=m}});current=next}typ.methodSetCache=[];Object.keys(base).sort().forEach(function(name){typ.methodSetCache.push(base[name])});return typ.methodSetCache};var $Bool=$newType(1,$kindBool,"bool",true,"",false,null);var $Int=$newType(4,$kindInt,"int",true,"",false,null);var $Int8=$newType(1,$kindInt8,"int8",true,"",false,null);var $Int16=$newType(2,$kindInt16,"int16",true,"",false,null);var $Int32=$newType(4,$kindInt32,"int32",true,"",false,null);var $Int64=$newType(8,$kindInt64,"int64",true,"",false,null);var $Uint=$newType(4,$kindUint,"uint",true,"",false,null);var $Uint8=$newType(1,$kindUint8,"uint8",true,"",false,null);var $Uint16=$newType(2,$kindUint16,"uint16",true,"",false,null);var $Uint32=$newType(4,$kindUint32,"uint32",true,"",false,null);var $Uint64=$newType(8,$kindUint64,"uint64",true,"",false,null);var $Uintptr=$newType(4,$kindUintptr,"uintptr",true,"",false,null);var $Float32=$newType(4,$kindFloat32,"float32",true,"",false,null);var $Float64=$newType(8,$kindFloat64,"float64",true,"",false,null);var $Complex64=$newType(8,$kindComplex64,"complex64",true,"",false,null);var $Complex128=$newType(16,$kindComplex128,"complex128",true,"",false,null);var $String=$newType(8,$kindString,"string",true,"",false,null);var $UnsafePointer=$newType(4,$kindUnsafePointer,"unsafe.Pointer",true,"",false,null);var $nativeArray=function(elemKind){switch(elemKind){case $kindInt:return Int32Array;case $kindInt8:return Int8Array;case $kindInt16:return Int16Array;case $kindInt32:return Int32Array;case $kindUint:return Uint32Array;case $kindUint8:return Uint8Array;case $kindUint16:return Uint16Array;case $kindUint32:return Uint32Array;case $kindUintptr:return Uint32Array;case $kindFloat32:return Float32Array;case $kindFloat64:return Float64Array;default:return Array}};var $toNativeArray=function(elemKind,array){var nativeArray=$nativeArray(elemKind);if(nativeArray===Array){return array}return new nativeArray(array)};var $arrayTypes={};var $arrayType=function(elem,len){var typeKey=elem.id+"$"+len;var typ=$arrayTypes[typeKey];if(typ===undefined){typ=$newType(12,$kindArray,"["+len+"]"+elem.string,false,"",false,null);$arrayTypes[typeKey]=typ;typ.init(elem,len)}return typ};var $chanType=function(elem,sendOnly,recvOnly){var string=(recvOnly?"<-":"")+"chan"+(sendOnly?"<- ":" ")+elem.string;var field=sendOnly?"SendChan":recvOnly?"RecvChan":"Chan";var typ=elem[field];if(typ===undefined){typ=$newType(4,$kindChan,string,false,"",false,null);elem[field]=typ;typ.init(elem,sendOnly,recvOnly)}return typ};var $Chan=function(elem,capacity){if(capacity<0||capacity>2147483647){$throwRuntimeError("makechan: size out of range")}this.$elem=elem;this.$capacity=capacity;this.$buffer=[];this.$sendQueue=[];this.$recvQueue=[];this.$closed=false};var $chanNil=new $Chan(null,0);$chanNil.$sendQueue=$chanNil.$recvQueue={length:0,push:function(){},shift:function(){return undefined},indexOf:function(){return-1}};var $funcTypes={};var $funcType=function(params,results,variadic){var typeKey=$mapArray(params,function(p){return p.id}).join(",")+"$"+$mapArray(results,function(r){return r.id}).join(",")+"$"+variadic;var typ=$funcTypes[typeKey];if(typ===undefined){var paramTypes=$mapArray(params,function(p){return p.string});if(variadic){paramTypes[paramTypes.length-1]="..."+paramTypes[paramTypes.length-1].substr(2)}var string="func("+paramTypes.join(", ")+")";if(results.length===1){string+=" "+results[0].string}else if(results.length>1){string+=" ("+$mapArray(results,function(r){return r.string}).join(", ")+")"}typ=$newType(4,$kindFunc,string,false,"",false,null);$funcTypes[typeKey]=typ;typ.init(params,results,variadic)}return typ};var $interfaceTypes={};var $interfaceType=function(methods){var typeKey=$mapArray(methods,function(m){return m.pkg+","+m.name+","+m.typ.id}).join("$");var typ=$interfaceTypes[typeKey];if(typ===undefined){var string="interface {}";if(methods.length!==0){string="interface { "+$mapArray(methods,function(m){return(m.pkg!==""?m.pkg+".":"")+m.name+m.typ.string.substr(4)}).join("; ")+" }"}typ=$newType(8,$kindInterface,string,false,"",false,null);$interfaceTypes[typeKey]=typ;typ.init(methods)}return typ};var $emptyInterface=$interfaceType([]);var $ifaceNil={};var $error=$newType(8,$kindInterface,"error",true,"",false,null);$error.init([{prop:"Error",name:"Error",pkg:"",typ:$funcType([],[$String],false)}]);var $mapTypes={};var $mapType=function(key,elem){var typeKey=key.id+"$"+elem.id;var typ=$mapTypes[typeKey];if(typ===undefined){typ=$newType(4,$kindMap,"map["+key.string+"]"+elem.string,false,"",false,null);$mapTypes[typeKey]=typ;typ.init(key,elem)}return typ};var $makeMap=function(keyForFunc,entries){var m={};for(var i=0;i<entries.length;i++){var e=entries[i];m[keyForFunc(e.k)]=e}return m};var $ptrType=function(elem){var typ=elem.ptr;if(typ===undefined){typ=$newType(4,$kindPtr,"*"+elem.string,false,"",elem.exported,null);elem.ptr=typ;typ.init(elem)}return typ};var $newDataPointer=function(data,constructor){if(constructor.elem.kind===$kindStruct){return data}return new constructor(function(){return data},function(v){data=v})};var $indexPtr=function(array,index,constructor){array.$ptr=array.$ptr||{};return array.$ptr[index]||(array.$ptr[index]=new constructor(function(){return array[index]},function(v){array[index]=v}))};var $sliceType=function(elem){var typ=elem.slice;if(typ===undefined){typ=$newType(12,$kindSlice,"[]"+elem.string,false,"",false,null);elem.slice=typ;typ.init(elem)}return typ};var $makeSlice=function(typ,length,capacity){capacity=capacity||length;if(length<0||length>2147483647){$throwRuntimeError("makeslice: len out of range")}if(capacity<0||capacity<length||capacity>2147483647){$throwRuntimeError("makeslice: cap out of range")}var array=new typ.nativeArray(capacity);if(typ.nativeArray===Array){for(var i=0;i<capacity;i++){array[i]=typ.elem.zero()}}var slice=new typ(array);slice.$length=length;return slice};var $structTypes={};var $structType=function(pkgPath,fields){var typeKey=$mapArray(fields,function(f){return f.name+","+f.typ.id+","+f.tag}).join("$");var typ=$structTypes[typeKey];if(typ===undefined){var string="struct { "+$mapArray(fields,function(f){return f.name+" "+f.typ.string+(f.tag!==""?' "'+f.tag.replace(/\\/g,"\\\\").replace(/"/g,'\\"')+'"':"")}).join("; ")+" }";if(fields.length===0){string="struct {}"}typ=$newType(0,$kindStruct,string,false,"",false,function(){this.$val=this;for(var i=0;i<fields.length;i++){var f=fields[i];var arg=arguments[i];this[f.prop]=arg!==undefined?arg:f.typ.zero()}});$structTypes[typeKey]=typ;typ.init(pkgPath,fields)}return typ};var $assertType=function(value,type,returnTuple){var isInterface=type.kind===$kindInterface,ok,missingMethod="";if(value===$ifaceNil){ok=false}else if(!isInterface){ok=value.constructor===type}else{var valueTypeString=value.constructor.string;ok=type.implementedBy[valueTypeString];if(ok===undefined){ok=true;var valueMethodSet=$methodSet(value.constructor);var interfaceMethods=type.methods;for(var i=0;i<interfaceMethods.length;i++){var tm=interfaceMethods[i];var found=false;for(var j=0;j<valueMethodSet.length;j++){var vm=valueMethodSet[j];if(vm.name===tm.name&&vm.pkg===tm.pkg&&vm.typ===tm.typ){found=true;break}}if(!found){ok=false;type.missingMethodFor[valueTypeString]=tm.name;break}}type.implementedBy[valueTypeString]=ok}if(!ok){missingMethod=type.missingMethodFor[valueTypeString]}}if(!ok){if(returnTuple){return[type.zero(),false]}$panic(new $packages["runtime"].TypeAssertionError.ptr("",value===$ifaceNil?"":value.constructor.string,type.string,missingMethod))}if(!isInterface){value=value.$val}if(type===$jsObjectPtr){value=value.object}return returnTuple?[value,true]:value};var $stackDepthOffset=0;var $getStackDepth=function(){var err=new Error;if(err.stack===undefined){return undefined}return $stackDepthOffset+err.stack.split("\n").length};var $panicStackDepth=null,$panicValue;var $callDeferred=function(deferred,jsErr,fromPanic){if(!fromPanic&&deferred!==null&&deferred.index>=$curGoroutine.deferStack.length){throw jsErr}if(jsErr!==null){var newErr=null;try{$curGoroutine.deferStack.push(deferred);$panic(new $jsErrorPtr(jsErr))}catch(err){newErr=err}$curGoroutine.deferStack.pop();$callDeferred(deferred,newErr);return}if($curGoroutine.asleep){return}$stackDepthOffset--;var outerPanicStackDepth=$panicStackDepth;var outerPanicValue=$panicValue;var localPanicValue=$curGoroutine.panicStack.pop();if(localPanicValue!==undefined){$panicStackDepth=$getStackDepth();$panicValue=localPanicValue}try{while(true){if(deferred===null){deferred=$curGoroutine.deferStack[$curGoroutine.deferStack.length-1];if(deferred===undefined){$panicStackDepth=null;if(localPanicValue.Object instanceof Error){throw localPanicValue.Object}var msg;if(localPanicValue.constructor===$String){msg=localPanicValue.$val}else if(localPanicValue.Error!==undefined){msg=localPanicValue.Error()}else if(localPanicValue.String!==undefined){msg=localPanicValue.String()}else{msg=localPanicValue}throw new Error(msg)}}var call=deferred.pop();if(call===undefined){$curGoroutine.deferStack.pop();if(localPanicValue!==undefined){deferred=null;continue}return}var r=call[0].apply(call[2],call[1]);if(r&&r.$blk!==undefined){deferred.push([r.$blk,[],r]);if(fromPanic){throw null}return}if(localPanicValue!==undefined&&$panicStackDepth===null){throw null}}}finally{if(localPanicValue!==undefined){if($panicStackDepth!==null){$curGoroutine.panicStack.push(localPanicValue)}$panicStackDepth=outerPanicStackDepth;$panicValue=outerPanicValue}$stackDepthOffset++}};var $panic=function(value){$curGoroutine.panicStack.push(value);$callDeferred(null,null,true)};var $recover=function(){if($panicStackDepth===null||$panicStackDepth!==undefined&&$panicStackDepth!==$getStackDepth()-2){return $ifaceNil}$panicStackDepth=null;return $panicValue};var $throw=function(err){throw err};var $noGoroutine={asleep:false,exit:false,deferStack:[],panicStack:[]};var $curGoroutine=$noGoroutine,$totalGoroutines=0,$awakeGoroutines=0,$checkForDeadlock=true;var $mainFinished=false;var $go=function(fun,args){$totalGoroutines++;$awakeGoroutines++;var $goroutine=function(){try{$curGoroutine=$goroutine;var r=fun.apply(undefined,args);if(r&&r.$blk!==undefined){fun=function(){return r.$blk()};args=[];return}$goroutine.exit=true}catch(err){if(!$goroutine.exit){throw err}}finally{$curGoroutine=$noGoroutine;if($goroutine.exit){$totalGoroutines--;$goroutine.asleep=true}if($goroutine.asleep){$awakeGoroutines--;if(!$mainFinished&&$awakeGoroutines===0&&$checkForDeadlock){console.error("fatal error: all goroutines are asleep - deadlock!");if($global.process!==undefined){$global.process.exit(2)}}}}};$goroutine.asleep=false;$goroutine.exit=false;$goroutine.deferStack=[];$goroutine.panicStack=[];$schedule($goroutine)};var $scheduled=[];var $runScheduled=function(){try{var r;while((r=$scheduled.shift())!==undefined){r()}}finally{if($scheduled.length>0){setTimeout($runScheduled,0)}}};var $schedule=function(goroutine){if(goroutine.asleep){goroutine.asleep=false;$awakeGoroutines++}$scheduled.push(goroutine);if($curGoroutine===$noGoroutine){$runScheduled()}};var $setTimeout=function(f,t){$awakeGoroutines++;return setTimeout(function(){$awakeGoroutines--;f()},t)};var $block=function(){if($curGoroutine===$noGoroutine){$throwRuntimeError("cannot block in JavaScript callback, fix by wrapping code in goroutine")}$curGoroutine.asleep=true};var $send=function(chan,value){if(chan.$closed){$throwRuntimeError("send on closed channel")}var queuedRecv=chan.$recvQueue.shift();if(queuedRecv!==undefined){queuedRecv([value,true]);return}if(chan.$buffer.length<chan.$capacity){chan.$buffer.push(value);return}var thisGoroutine=$curGoroutine;var closedDuringSend;chan.$sendQueue.push(function(closed){closedDuringSend=closed;$schedule(thisGoroutine);return value});$block();return{$blk:function(){if(closedDuringSend){$throwRuntimeError("send on closed channel")}}}};var $recv=function(chan){var queuedSend=chan.$sendQueue.shift();if(queuedSend!==undefined){chan.$buffer.push(queuedSend(false))}var bufferedValue=chan.$buffer.shift();if(bufferedValue!==undefined){return[bufferedValue,true]}if(chan.$closed){return[chan.$elem.zero(),false]}var thisGoroutine=$curGoroutine;var f={$blk:function(){return this.value}};var queueEntry=function(v){f.value=v;$schedule(thisGoroutine)};chan.$recvQueue.push(queueEntry);$block();return f};var $close=function(chan){if(chan.$closed){$throwRuntimeError("close of closed channel")}chan.$closed=true;while(true){var queuedSend=chan.$sendQueue.shift();if(queuedSend===undefined){break}queuedSend(true)}while(true){var queuedRecv=chan.$recvQueue.shift();if(queuedRecv===undefined){break}queuedRecv([chan.$elem.zero(),false])}};var $select=function(comms){var ready=[];var selection=-1;for(var i=0;i<comms.length;i++){var comm=comms[i];var chan=comm[0];switch(comm.length){case 0:selection=i;break;case 1:if(chan.$sendQueue.length!==0||chan.$buffer.length!==0||chan.$closed){ready.push(i)}break;case 2:if(chan.$closed){$throwRuntimeError("send on closed channel")}if(chan.$recvQueue.length!==0||chan.$buffer.length<chan.$capacity){ready.push(i)}break}}if(ready.length!==0){selection=ready[Math.floor(Math.random()*ready.length)]}if(selection!==-1){var comm=comms[selection];switch(comm.length){case 0:return[selection];case 1:return[selection,$recv(comm[0])];case 2:$send(comm[0],comm[1]);return[selection]}}var entries=[];var thisGoroutine=$curGoroutine;var f={$blk:function(){return this.selection}};var removeFromQueues=function(){for(var i=0;i<entries.length;i++){var entry=entries[i];var queue=entry[0];var index=queue.indexOf(entry[1]);if(index!==-1){queue.splice(index,1)}}};for(var i=0;i<comms.length;i++){(function(i){var comm=comms[i];switch(comm.length){case 1:var queueEntry=function(value){f.selection=[i,value];removeFromQueues();$schedule(thisGoroutine)};entries.push([comm[0].$recvQueue,queueEntry]);comm[0].$recvQueue.push(queueEntry);break;case 2:var queueEntry=function(){if(comm[0].$closed){$throwRuntimeError("send on closed channel")}f.selection=[i];removeFromQueues();$schedule(thisGoroutine);return comm[1]};entries.push([comm[0].$sendQueue,queueEntry]);comm[0].$sendQueue.push(queueEntry);break}})(i)}$block();return f};var $jsObjectPtr,$jsErrorPtr;var $needsExternalization=function(t){switch(t.kind){case $kindBool:case $kindInt:case $kindInt8:case $kindInt16:case $kindInt32:case $kindUint:case $kindUint8:case $kindUint16:case $kindUint32:case $kindUintptr:case $kindFloat32:case $kindFloat64:return false;default:return t!==$jsObjectPtr}};var $externalize=function(v,t){if(t===$jsObjectPtr){return v}switch(t.kind){case $kindBool:case $kindInt:case $kindInt8:case $kindInt16:case $kindInt32:case $kindUint:case $kindUint8:case $kindUint16:case $kindUint32:case $kindUintptr:case $kindFloat32:case $kindFloat64:return v;case $kindInt64:case $kindUint64:return $flatten64(v);case $kindArray:if($needsExternalization(t.elem)){return $mapArray(v,function(e){return $externalize(e,t.elem)})}return v;case $kindFunc:return $externalizeFunction(v,t,false);case $kindInterface:if(v===$ifaceNil){return null}if(v.constructor===$jsObjectPtr){return v.$val.object}return $externalize(v.$val,v.constructor);case $kindMap:var m={};var keys=$keys(v);for(var i=0;i<keys.length;i++){var entry=v[keys[i]];m[$externalize(entry.k,t.key)]=$externalize(entry.v,t.elem)}return m;case $kindPtr:if(v===t.nil){return null}return $externalize(v.$get(),t.elem);case $kindSlice:if($needsExternalization(t.elem)){return $mapArray($sliceToArray(v),function(e){return $externalize(e,t.elem)})}return $sliceToArray(v);case $kindString:if($isASCII(v)){return v}var s="",r;for(var i=0;i<v.length;i+=r[1]){r=$decodeRune(v,i);var c=r[0];if(c>65535){var h=Math.floor((c-65536)/1024)+55296;var l=(c-65536)%1024+56320;s+=String.fromCharCode(h,l);continue}s+=String.fromCharCode(c)}return s;case $kindStruct:var timePkg=$packages["time"];if(timePkg!==undefined&&v.constructor===timePkg.Time.ptr){var milli=$div64(v.UnixNano(),new $Int64(0,1e6));return new Date($flatten64(milli))}var noJsObject={};var searchJsObject=function(v,t){if(t===$jsObjectPtr){return v}switch(t.kind){case $kindPtr:if(v===t.nil){return noJsObject}return searchJsObject(v.$get(),t.elem);case $kindStruct:var f=t.fields[0];return searchJsObject(v[f.prop],f.typ);case $kindInterface:return searchJsObject(v.$val,v.constructor);default:return noJsObject}};var o=searchJsObject(v,t);if(o!==noJsObject){return o}o={};for(var i=0;i<t.fields.length;i++){var f=t.fields[i];if(!f.exported){continue}o[f.name]=$externalize(v[f.prop],f.typ)}return o}$throwRuntimeError("cannot externalize "+t.string)};var $externalizeFunction=function(v,t,passThis){if(v===$throwNilPointerError){return null}if(v.$externalizeWrapper===undefined){$checkForDeadlock=false;v.$externalizeWrapper=function(){var args=[];for(var i=0;i<t.params.length;i++){if(t.variadic&&i===t.params.length-1){var vt=t.params[i].elem,varargs=[];for(var j=i;j<arguments.length;j++){varargs.push($internalize(arguments[j],vt))}args.push(new t.params[i](varargs));break}args.push($internalize(arguments[i],t.params[i]))}var result=v.apply(passThis?this:undefined,args);switch(t.results.length){case 0:return;case 1:return $externalize(result,t.results[0]);default:for(var i=0;i<t.results.length;i++){result[i]=$externalize(result[i],t.results[i])}return result}}}return v.$externalizeWrapper};var $internalize=function(v,t,recv){if(t===$jsObjectPtr){return v}if(t===$jsObjectPtr.elem){$throwRuntimeError("cannot internalize js.Object, use *js.Object instead")}if(v&&v.__internal_object__!==undefined){return $assertType(v.__internal_object__,t,false)}var timePkg=$packages["time"];if(timePkg!==undefined&&t===timePkg.Time){if(!(v!==null&&v!==undefined&&v.constructor===Date)){$throwRuntimeError("cannot internalize time.Time from "+typeof v+", must be Date")}return timePkg.Unix(new $Int64(0,0),new $Int64(0,v.getTime()*1e6))}switch(t.kind){case $kindBool:return!!v;case $kindInt:return parseInt(v);case $kindInt8:return parseInt(v)<<24>>24;case $kindInt16:return parseInt(v)<<16>>16;case $kindInt32:return parseInt(v)>>0;case $kindUint:return parseInt(v);case $kindUint8:return parseInt(v)<<24>>>24;case $kindUint16:return parseInt(v)<<16>>>16;case $kindUint32:case $kindUintptr:return parseInt(v)>>>0;case $kindInt64:case $kindUint64:return new t(0,v);case $kindFloat32:case $kindFloat64:return parseFloat(v);case $kindArray:if(v.length!==t.len){$throwRuntimeError("got array with wrong size from JavaScript native")}return $mapArray(v,function(e){return $internalize(e,t.elem)});case $kindFunc:return function(){var args=[];for(var i=0;i<t.params.length;i++){if(t.variadic&&i===t.params.length-1){var vt=t.params[i].elem,varargs=arguments[i];for(var j=0;j<varargs.$length;j++){args.push($externalize(varargs.$array[varargs.$offset+j],vt))}break}args.push($externalize(arguments[i],t.params[i]))}var result=v.apply(recv,args);switch(t.results.length){case 0:return;case 1:return $internalize(result,t.results[0]);default:for(var i=0;i<t.results.length;i++){result[i]=$internalize(result[i],t.results[i])}return result}};case $kindInterface:if(t.methods.length!==0){$throwRuntimeError("cannot internalize "+t.string)}if(v===null){return $ifaceNil}if(v===undefined){return new $jsObjectPtr(undefined)}switch(v.constructor){case Int8Array:return new($sliceType($Int8))(v);case Int16Array:return new($sliceType($Int16))(v);case Int32Array:return new($sliceType($Int))(v);case Uint8Array:return new($sliceType($Uint8))(v);case Uint16Array:return new($sliceType($Uint16))(v);case Uint32Array:return new($sliceType($Uint))(v);case Float32Array:return new($sliceType($Float32))(v);case Float64Array:return new($sliceType($Float64))(v);case Array:return $internalize(v,$sliceType($emptyInterface));case Boolean:return new $Bool(!!v);case Date:if(timePkg===undefined){return new $jsObjectPtr(v)}return new timePkg.Time($internalize(v,timePkg.Time));case Function:var funcType=$funcType([$sliceType($emptyInterface)],[$jsObjectPtr],true);return new funcType($internalize(v,funcType));case Number:return new $Float64(parseFloat(v));case String:return new $String($internalize(v,$String));default:if($global.Node&&v instanceof $global.Node){return new $jsObjectPtr(v)}var mapType=$mapType($String,$emptyInterface);return new mapType($internalize(v,mapType))}case $kindMap:var m={};var keys=$keys(v);for(var i=0;i<keys.length;i++){var k=$internalize(keys[i],t.key);m[t.key.keyFor(k)]={k:k,v:$internalize(v[keys[i]],t.elem)}}return m;case $kindPtr:if(t.elem.kind===$kindStruct){return $internalize(v,t.elem)}case $kindSlice:return new t($mapArray(v,function(e){return $internalize(e,t.elem)}));case $kindString:v=String(v);if($isASCII(v)){return v}var s="";var i=0;while(i<v.length){var h=v.charCodeAt(i);if(55296<=h&&h<=56319){var l=v.charCodeAt(i+1);var c=(h-55296)*1024+l-56320+65536;s+=$encodeRune(c);i+=2;continue}s+=$encodeRune(h);i++}return s;case $kindStruct:var noJsObject={};var searchJsObject=function(t){if(t===$jsObjectPtr){return v}if(t===$jsObjectPtr.elem){$throwRuntimeError("cannot internalize js.Object, use *js.Object instead")}switch(t.kind){case $kindPtr:return searchJsObject(t.elem);case $kindStruct:var f=t.fields[0];var o=searchJsObject(f.typ);if(o!==noJsObject){var n=new t.ptr;n[f.prop]=o;return n}return noJsObject;default:return noJsObject}};var o=searchJsObject(t);if(o!==noJsObject){return o}}$throwRuntimeError("cannot internalize "+t.string)};var $isASCII=function(s){for(var i=0;i<s.length;i++){if(s.charCodeAt(i)>=128){return false}}return true};` |
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I'm not getting the same minified output as you @hajimehoshi. My output is exactly 32740 bytes. Yours is 41045, which is significantly larger than the previous size of 32762.
How did you create this? Did you minify the value of the Prelude constant or something else?
The way I do it is with the help of goexec:
$ goexec -quiet 'io.WriteString(os.Stdout, prelude.Prelude)' | pbcopy
That prints the value of the Prelude constant to stdout, and copies it to my clipboard (on macOS). Then I paste that at https://skalman.github.io/UglifyJS-online/ and get the output.
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I used command-line uglifyjs installed by node, and I think that's why the difference caused.
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|
Updated |
dmitshur
reviewed
Mar 15, 2018
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The logic of the change makes sense to me. The values being assigned to s.$length and s.$capacity are unchanged. It's just that high and max are given a logical value earlier and get checked for being out of range.
Just some minor comments/suggestions.
compiler/prelude/prelude.go
Outdated
| high = slice.$length; | ||
| } | ||
| if (max === undefined) { | ||
| max = slice.$capacity |
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This line is missing a semicolon at the end.
tests/misc_test.go
Outdated
| } | ||
| } | ||
|
|
||
| func TestSliceOutOfRange(t *testing.T) { |
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What do you think about moving this test and placing it next to TestSliceOfString, since it's quite similar and related?
tests/misc_test.go
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| }() | ||
|
|
||
| a := make([]byte, 4096) | ||
| b := a[8192:] |
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There's no need to use numbers so large, the same issue would happen with make([]byte, 4) and a[8:], right? Maybe it's better to use those smaller numbers to make the test focus more on the underlying issue and less resource intensive.
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I don't have a strong opinion on it :-) Done.
| // Minified is Prelude ran through UglifyJS 3 via https://skalman.github.io/UglifyJS-online/ | ||
| // with default options. | ||
| const Minified = `var $global,$module;if(Error.stackTraceLimit=1/0,"undefined"!=typeof window?$global=window:"undefined"!=typeof self?$global=self:"undefined"!=typeof global?($global=global).require=require:$global=this,void 0===$global||void 0===$global.Array)throw new Error("no global object found");"undefined"!=typeof module&&($module=module);var $throwRuntimeError,$packages={},$idCounter=0,$keys=function(e){return e?Object.keys(e):[]},$flushConsole=function(){},$throwNilPointerError=function(){$throwRuntimeError("invalid memory address or nil pointer dereference")},$call=function(e,n,r){return e.apply(n,r)},$makeFunc=function(e){return function(){return $externalize(e(this,new($sliceType($jsObjectPtr))($global.Array.prototype.slice.call(arguments,[]))),$emptyInterface)}},$unused=function(e){},$mapArray=function(e,n){for(var r=new e.constructor(e.length),t=0;t<e.length;t++)r[t]=n(e[t]);return r},$methodVal=function(e,n){var r=e.$methodVals||{};e.$methodVals=r;var t=r[n];if(void 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r=e.$recvQueue.shift();if(void 0===r){if(!(e.$buffer.length<e.$capacity)){var t,i=$curGoroutine;return e.$sendQueue.push(function(e){return t=e,$schedule(i),n}),$block(),{$blk:function(){t&&$throwRuntimeError("send on closed channel")}}}e.$buffer.push(n)}else r([n,!0])},$recv=function(e){var n=e.$sendQueue.shift();void 0!==n&&e.$buffer.push(n(!1));var r=e.$buffer.shift();if(void 0!==r)return[r,!0];if(e.$closed)return[e.$elem.zero(),!1];var t=$curGoroutine,i={$blk:function(){return this.value}};return e.$recvQueue.push(function(e){i.value=e,$schedule(t)}),$block(),i},$close=function(e){for(e.$closed&&$throwRuntimeError("close of closed channel"),e.$closed=!0;;){var n=e.$sendQueue.shift();if(void 0===n)break;n(!0)}for(;;){var r=e.$recvQueue.shift();if(void 0===r)break;r([e.$elem.zero(),!1])}},$select=function(e){for(var n=[],r=-1,t=0;t<e.length;t++){var i,a=(i=e[t])[0];switch(i.length){case 0:r=t;break;case 1:(0!==a.$sendQueue.length||0!==a.$buffer.length||a.$closed)&&n.push(t);break;case 2:a.$closed&&$throwRuntimeError("send on closed channel"),(0!==a.$recvQueue.length||a.$buffer.length<a.$capacity)&&n.push(t)}}if(0!==n.length&&(r=n[Math.floor(Math.random()*n.length)]),-1!==r)switch((i=e[r]).length){case 0:return[r];case 1:return[r,$recv(i[0])];case 2:return $send(i[0],i[1]),[r]}var o=[],$=$curGoroutine,c={$blk:function(){return this.selection}},u=function(){for(var e=0;e<o.length;e++){var n=o[e],r=n[0],t=r.indexOf(n[1]);-1!==t&&r.splice(t,1)}};for(t=0;t<e.length;t++)!function(n){var r=e[n];switch(r.length){case 1:var t=function(e){c.selection=[n,e],u(),$schedule($)};o.push([r[0].$recvQueue,t]),r[0].$recvQueue.push(t);break;case 2:t=function(){return r[0].$closed&&$throwRuntimeError("send on closed channel"),c.selection=[n],u(),$schedule($),r[1]};o.push([r[0].$sendQueue,t]),r[0].$sendQueue.push(t)}}(t);return $block(),c},$needsExternalization=function(e){switch(e.kind){case 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t=[],i=0;i<n.params.length;i++){if(n.variadic&&i===n.params.length-1){for(var a=n.params[i].elem,o=arguments[i],$=0;$<o.$length;$++)t.push($externalize(o.$array[o.$offset+$],a));break}t.push($externalize(arguments[i],n.params[i]))}var c=e.apply(r,t);switch(n.results.length){case 0:return;case 1:return $internalize(c,n.results[0]);default:for(i=0;i<n.results.length;i++)c[i]=$internalize(c[i],n.results[i]);return c}};case $kindInterface:if(0!==n.methods.length&&$throwRuntimeError("cannot internalize "+n.string),null===e)return $ifaceNil;if(void 0===e)return new $jsObjectPtr(void 0);switch(e.constructor){case Int8Array:return new($sliceType($Int8))(e);case Int16Array:return new($sliceType($Int16))(e);case Int32Array:return new($sliceType($Int))(e);case Uint8Array:return new($sliceType($Uint8))(e);case Uint16Array:return new($sliceType($Uint16))(e);case Uint32Array:return new($sliceType($Uint))(e);case Float32Array:return new($sliceType($Float32))(e);case Float64Array:return new($sliceType($Float64))(e);case Array:return $internalize(e,$sliceType($emptyInterface));case Boolean:return new $Bool(!!e);case Date:return void 0===t?new $jsObjectPtr(e):new t.Time($internalize(e,t.Time));case Function:var i=$funcType([$sliceType($emptyInterface)],[$jsObjectPtr],!0);return new i($internalize(e,i));case Number:return new $Float64(parseFloat(e));case String:return new $String($internalize(e,$String));default:if($global.Node&&e instanceof $global.Node)return new $jsObjectPtr(e);var a=$mapType($String,$emptyInterface);return new a($internalize(e,a))}case $kindMap:for(var o={},$=$keys(e),c=0;c<$.length;c++){var u=$internalize($[c],n.key);o[n.key.keyFor(u)]={k:u,v:$internalize(e[$[c]],n.elem)}}return o;case $kindPtr:if(n.elem.kind===$kindStruct)return $internalize(e,n.elem);case $kindSlice:return new n($mapArray(e,function(e){return $internalize(e,n.elem)}));case $kindString:if(e=String(e),$isASCII(e))return e;var l="";for(c=0;c<e.length;){var s=e.charCodeAt(c);if(55296<=s&&s<=56319){var f=e.charCodeAt(c+1);l+=$encodeRune(1024*(s-55296)+f-56320+65536),c+=2}else l+=$encodeRune(s),c++}return l;case $kindStruct:var d={},p=function(n){if(n===$jsObjectPtr)return e;switch(n===$jsObjectPtr.elem&&$throwRuntimeError("cannot internalize js.Object, use *js.Object instead"),n.kind){case $kindPtr:return p(n.elem);case $kindStruct:var r=n.fields[0],t=p(r.typ);if(t!==d){var i=new n.ptr;return i[r.prop]=t,i}return d;default:return d}},h=p(n);if(h!==d)return h}$throwRuntimeError("cannot internalize "+n.string)},$isASCII=function(e){for(var n=0;n<e.length;n++)if(e.charCodeAt(n)>=128)return!1;return!0};` |
hajimehoshi
commented
Mar 15, 2018
compiler/prelude/prelude.go
Outdated
| high = slice.$length; | ||
| } | ||
| if (max === undefined) { | ||
| max = slice.$capacity |
tests/misc_test.go
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| } | ||
| } | ||
|
|
||
| func TestSliceOutOfRange(t *testing.T) { |
tests/misc_test.go
Outdated
| }() | ||
|
|
||
| a := make([]byte, 4096) | ||
| b := a[8192:] |
Member
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There was a problem hiding this comment.
I don't have a strong opinion on it :-) Done.
hajimehoshi
pushed a commit
that referenced
this pull request
Apr 20, 2018
This is a rebase of #765. Whilst rebasing #669 I fell into a similar trap to #775 (#775 (comment)), by forgetting to commit the manually minified prelude. Then going through the manual process of manually minifying the prelude I wasted a whole load of time installing goexec, missing something the first time etc, issues that this PR addresses by automating the process, as previously discussed (#765 (comment)).
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Fixes #732